How To Get Computer IP Address IPHostEntry in c#

This is a Perfect code to get the IP Address of the Current machine: 

using System.Net;

Private string GetIP()
{
string strHostName = "";
strHostName = System.Net.Dns.GetHostName();

IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(strHostName);

IPAddress[] addr = ipEntry.AddressList;

return addr[addr.Length-1].ToString(); // if u work vs-2010 just change "lenght-2"

}